<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="../assets/heima.png" alt />
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>

    <el-container>
       <el-aside :width="collap? '64px':'200px'">
         <div class=" toggle-button" @click="toggle_button">|||</div>
        <el-menu :default-active='activePath' background-color="#545c64" text-color="#fff" active-text-color="#409eff" unique-opened :collapse='collap' :collapse-transition='false' router>
          <el-submenu :index='item.id + "" ' v-for="item in menulist" :key='item.id'  >
            <template slot="title">
              <i :class="iconsobj[item.id]"></i>
              <span>{{item.authName}}</span>
            </template>
            <el-menu-item @click="savedata('/'+subitem.path)" :index="'/'+subitem.path" v-for='subitem in item.children' :key='subitem.id'>
              <i class="el-icon-menu"></i>
              <span>{{subitem.authName}}</span>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <el-main>
          <router-view></router-view>
      </el-main> 
     


    </el-container>
  </el-container>



</template>



<script>
export default {
  data() {
    return {
      menulist: [],//3数据被渲染
      iconsobj:{
          "125":"iconfont icon-user",
          "103":"iconfont icon-tijikongjian",
          "101":"iconfont icon-shangpin",
          "102":"iconfont icon-danju",
          "145":"iconfont icon-baobiao"
      },
      collap:false,
      activePath:''
    };
  },
  created() {
    //初始化VUE的实例对象data和methods之后1
    this.getMenuList();
    //this.activePath=window.sessionStorage.getItem('ss')
    this.activePath=location.hash.slice(1)
   
  },
  methods: {
    logout() {
      window.sessionStorage.clear();
      this.$router.push("/login");
    },
    async getMenuList() {
      //2方法调用数据渲染data
      const { data: res } = await this.$http.get("menus");
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg);
      this.menulist = res.data;
     // console.log(res);
    },
    toggle_button(){
 this.collap=!this.collap
    },
    savedata(path){
      window.sessionStorage.setItem('ss',path)
      this.activePath=path
    }
  }
};
</script>
<style lang="less" scoped>
.home-container {
  height: 100%;
}
.el-header {
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}

.el-aside {
  background-color: #333744;
  .el-menu {
    border-right: none;
  }
}

.el-main {
  background-color: #eaedf1;
}

.iconfont {
  margin-right: 10px;
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>